As verbs the difference between wall and walled
is that wall
is to enclose with a wall or wall
can be to boil while walled
As a noun wall
is a rampart of earth, stones etc built up for defensive purposes or wall
can be (chiefly|dialectal) a spring of water or wall
can be (nautical) a kind of knot often used at the end of a rope; a wall knot or wale.
As an adjective walled is
pertaining to a wall.